The level of street-network sprawl in new development in Jeollanam-do followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Jeollanam-do, we can consider three of its most populous cities: Mokpo-si, Suncheon-si and Wolha-dong. Out of the three cities, Wolha-dong does not follow the same trend as the region. The level of street-network sprawl in new development in Wolha-dong peaked in 1976-1990.

How do development practices in Jeollanam-do fare in comparison to others in South Korea? Most recently in 2006-2020, street construction in Jeollanam-do was the 11th-most disconnected out of the 15 regions in South Korea. Its position in the ranks since 1975 has risen; relative to other regions in South Korea, street construction in Jeollanam-do has become more disconnected. Jeollanam-do ranked 14th in 1975, 10th in 1976-1990, 9th in 1991-2005 and 11th in 2006-2020.

As of 2020, the city with the most disconnected street network in Jeollanam-do is Taein-dong with an SNDi of 4.34, which is sprawly. Conversely, the most connected city is Suncheon-si with an SNDi of 1.73, which is very well-connected. See trends for these cities: Suncheon-si, Taein-dong

The level of street-network sprawl in the aggregate network in Jeollanam-do rose steadily. To get a sense of how the aggregate street network has changed in Jeollanam-do, we can consider three of its most populous cities: Mokpo-si, Suncheon-si and Wolha-dong. Out of the three cities, Wolha-dong does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Wolha-dong peaked in 1991-2005.

To date, Jeollanam-do is the 12th-most disconnected out of the 15 regions in South Korea. Its position in the ranks since 1975 has risen; relative to other regions in South Korea, the street network in Jeollanam-do has become more disconnected. Jeollanam-do ranked 14th in 1975, 13th in 1976-1990, 12th in 1991-2005 and 12th in 2006-2020.